Category:Phoneidoscopes
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Media in category "Phoneidoscopes"
The following 2 files are in this category, out of 2 total.
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PSM V36 D647 Phoneidoscope.jpg 1,721 × 806; 132 KB
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PSM V36 D648 Figures on film in phoneidoscope.jpg 1,886 × 1,196; 499 KB
